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<?php $no = 0; $start = new DateTime('2013-01-01'); $end = new DateTime('2013-04-30'); $interval = DateInterval::createFromDateString('1 day'); $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { if ($dt->format('N') == 7) { $no++; } } echo $no;
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.30, 7.4.0 - 7.4.23, 8.0.0 - 8.0.11, 8.1rc1 - rc2
17
Output for 5.2.0 - 5.2.17
Fatal error: Class 'DateInterval' not found in /in/1fi4u on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/1fi4u on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/1fi4u on line 3
Process exited with code 255.
Output for 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/1fi4u on line 3

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